#box{
    width: 1400px;
    height: 600px;
    margin: 50px auto 0;
    display: flex;
    flex-direction: column;
    border: 2px solid rgb(100,100,100);
    box-shadow: 5px 5px 7px #555555;
}
.top{
    height: 50px;
    line-height: 50px;
    display: flex;
}
.top>li{
    flex: 1;
}
.top>li>button{
    width: 100%;
    height: 100%;
}
.leftListBox{
    width: 400px;
    height: 550px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-sizing: border-box;
    border-top: 2px solid rgb(100,100,100);
    border-right: 2px solid rgb(100,100,100);
}
.leftList>li{
    height: 80px;
}
.leftList>li>button{
    width: 100%;
    height: 100%;
}
.bottom{
    display: flex;
    flex-direction: row;
}
.rightContent{
    width: 1000px;
    display: flex;
    flex-direction: column;
}
.content{
    flex: 1;
}
.otherPeopleSay{
    padding-left: 10px;
    padding-top: 10px;
    padding-right: 200px;
    display: flex;
}
.otherPeopleSay>.profilePhoto{
    width: 60px;
    height: 60px;
    background-color: white;
    margin-right: 20px;
    min-width: 60px;
    border: 1px solid #999;
}
.otherPeopleSay .heiName{
    color: #999;
    font-size: 20px;
    font-weight: bold;
}
.otherPeopleSay .text{
    background: white;
    padding: 10px;
    margin-top: 10px;
    border-radius: 0 10px 10px 10px;
    box-shadow: 3px 3px 10px #999;
    position: relative;
}
.me{
    display: flex;
    padding: 10px 10px 0 200px;
    flex-direction: row-reverse;
}
.me .heiName{
    text-align: right;
    color: #999;
    font-size: 20px;
    font-weight: bold;
}
.me>.profilePhoto{
    width: 60px;
    height: 60px;
    background-color: white;
    margin-left: 20px;
    min-width: 60px;
    border: 1px solid #999;
}
.me .text{
    background: white;
    padding: 10px;
    margin-top: 10px;
    border-radius: 10px 0 10px 10px;
    box-shadow: 3px 3px 10px #999;
    position: relative;
}
.send{
    height: 100px;
    display: flex;
}
.send textarea{
    width: 800px;
    height: 100%;
    resize: none;
}
.send button{
    flex: 1;
    height: 100%;
}


